in 2021, both supply and demand in the domestic petroleum asphalt market will be weak. in the future, companies will need to deeply explore market demand.
petroleum asphalt refers to a residual oil product obtained directly from the distillation of crude oil in a regular vacuum device. it is a product of the crude oil processing process. petroleum asphalt appears as a black or dark brown viscous liquid at room temperature and is a hydrocarbon non-hydrocarbon derivative soluble in trichlorethylene. the…
